Design of a multi-frequency resonator for UHF multiband communication applications

Baghelani, Masoud

doi:10.1007/s00542-015-2639-8

Cited by 2 publications

(2 citation statements)

References 12 publications

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“…Radial contour mode disk resonators are very attractive candidates for the development of low‐velocity coupling because of their capability to achieve to higher frequencies and more importantly complete suppression of spurious modes when excited (or sensed) from all their perimeter [35]. These characteristics are ideal for filter design because in low‐velocity coupling based filters, one resonator operates as input and the other one as output.…”

Section: Low Velocity Coupling Based Filtermentioning

confidence: 99%

Bandwidth controlled weakly connected MEMS resonators based narrowband filter

Behzadi

Baghelani

2020

IET Circuits, Devices & Systems

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Section: Low Velocity Coupling Based Filtermentioning

confidence: 99%

Bandwidth controlled weakly connected MEMS resonators based narrowband filter

Behzadi

Baghelani

2020

IET Circuits, Devices & Systems

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“…Micro-nano elements are extensively used in tiny bio-structural and mechanical applications (Pandey et al 2009,Feng et al 2012,Murmu and Adhikari 2012,Xiao et al 2017. Micro-nanomechanical resonators that can reach to very high frequencies up to GHz (Husain et al 2003,Huang et al 2005,Baghelani 2016 are very important types of these elements highlighted due to their exemplary characteristics. In order to tune the resonators for better sensing performance, one should recognize their dynamic characteristics, carefully (Ekinci et al 2004,Braun et al 2005,Tajaddodianfar et al 2017.…”

Section: Introductionmentioning

confidence: 99%

Analytical solution for nonlinear dynamic behavior of viscoelastic nano-plates modeled by consistent couple stress theory

Ajri

Fakhrabadi

Rastgoo

2018

Lat. Am. j. solids struct.

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This paper analyses the non-stationary free vibration and nonlinear dynamic behavior of the viscoelastic nano-plates. For this purpose, a sizedependent theory is developed in the framework of the consistent couple stress theory for viscoelastic materials. The previously presented modified couple stress theory was based on some consideration making it partially doubtful to apply. This paper uses the recent findings for the mentioned problem and develops it to analyze the nonlinear dynamic behavior of nanoplates with nonlinear viscoelasticity. The material is supposed to follow the Leaderman integral nonlinear constitutive relation. In order to capture the geometrical nonlinearity, the von-Karman strain displacement relation is used. The viscous parts of the size-independent and size-dependent stress tensors are calculated in the framework of the Leaderman integral and the resultant virtual work terms are obtained. The governing equations of motion are derived using the Hamilton principle in the form of the nonlinear second order integro-partial differential equation with coupled terms. These coupled size-dependent viscoelastic equations are solved using the forthorder Runge-kutta and Harmonic balance method after simplifying by the expansion theory. The short-time Fourier transform is performed to examine the system free vibration. In addition, frequency-and forceresponses of the nanosystem subjected to distribute harmonic load are presented. The obtained results show that the viscoelastic model-based vibration is non-stationary unlike the elastic model. Moreover, the damping mechanism of the viscoelasticity is amplitude dependent and the contribution of the viscoelastic damping terms at higher forcing conditions becomes noticeable.

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Design of a multi-frequency resonator for UHF multiband communication applications

Cited by 2 publications

References 12 publications

Bandwidth controlled weakly connected MEMS resonators based narrowband filter

Bandwidth controlled weakly connected MEMS resonators based narrowband filter

Analytical solution for nonlinear dynamic behavior of viscoelastic nano-plates modeled by consistent couple stress theory

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